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USB5816C/KD bảng dữ liệu(PDF) 33 Page - Microchip Technology

tên linh kiện USB5816C/KD
Giải thích chi tiết về linh kiện  6-Port USB 3.2 Gen 1 SmartHubTM IC with Support for a Single USB Type-C짰 DFP
PDF  66 Pages
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nhà sản xuất  MICROCHIP [Microchip Technology]
Trang chủ  http://www.microchip.com
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USB5816C/KD bảng dữ liệu(HTML) 33 Page - Microchip Technology

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2016-2021 Microchip Technology Inc.
DS00002238E-page 33
USB5816
8.2
Battery Charging
The device can be configured by an OEM to have any of the downstream ports support battery charging. The hub’s role
in battery charging is to provide acknowledgment to a device’s query as to whether the hub system supports USB battery
charging. The hub silicon does not provide any current or power FETs or any additional circuitry to actually charge the
device. Those components must be provided externally by the OEM.
If the OEM provides an external supply capable of supplying current per the battery charging specification, the hub can
be configured to indicate the presence of such a supply from the device. This indication, via the
PRT_CTL[6:1] pins, is
on a per port basis. For example, the OEM can configure two ports to support battery charging through high current
power FETs and leave the other two ports as standard USB ports.
For additional information, refer to the Microchip USB5816 Battery Charging application note on the Microchip.com
USB5816 product page www.microchip.com/USB5816.
FIGURE 8-4:
DFP TYPE-C PORT WITH GENERIC TYPE-C CONTROLLER AND INTERNAL MUX
(MODE 2)
FIGURE 8-5:
BATTERY CHARGING EXTERNAL POWER SUPPLY
USB Type-C®
Internal Mux
Downstream Port
VBUS
SSTXA+
SSTXA-
SSRXA+
SSRXA-
SSTXB+
SSTXB-
SSRXB+
SSRXB-
D+
D-
CC1
CC2
GENERIC
PORT PWR
CTLR
POWER
OCS
SSTXA+
SSTXA-
SSRXA+
SSRXA-
SSTXB+
SSTXB-
SSRXB+
SSRXB-
D+
D-
PRTCTL
USB Type-C
UTC2000
UFP Mode
ENABLE
OCS#
PLUG_OR#
PPC_EN
CC1
CC2
AB
C_ATTACH
ALT_MUX_EN
CC_POL
3.3V
SOC
VBUS[n]
INT
SCL
SDA
Microchip
Hub
DC Power



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